<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script src="./axios.js"></script>
    <script>
         axios.defaults.baseURL = 'http://www.itcbc.com:3006'
       let p1 = axios.get('/api/province')

let p2 = axios.get('/api/city', { params: { pname: '河南省' } })

let p3 = axios.get('/api/county', { params: { pname: '河南省', cname: '许昌市' } })

    async function abc() {
      try {
        let res1 = await p1
        console.log(res1.data)
        let res2 = await p2
        console.log(res2.data)
        let res3 = await p3
        console.log(res3.data)
      } catch (e) {
        // console.log(e)
        // console.dir(e)
        console.log(e.response.data.message)
      }
    }
    abc()
    </script>
</body>
</html>